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Rectal Cancer
At GastroDoxs in Houston, Dr. Nghia Nguyen offers expert, personalized rectal cancer care—from early detection through advanced treatments. Board-certified and experienced, Dr. Nguyen and his team provide state-of-the-art diagnostics, advanced procedures, and support to optimize outcomes and quality of life.
Dr. Nghia Nguyen, DO, is a board-certified gastroenterologist providing advanced digestive care in the Greater Houston area. He earned his medical degree from the Texas College of Osteopathic Medicine and completed both his Internal Medicine residency and Gastroenterology fellowship at the University of Texas at Rio Grande Valley. Dr. Nguyen specializes in treating conditions such as acid reflux, irritable bowel syndrome (IBS), inflammatory bowel disease (IBD), and liver disorders.
Common Causes and Risk Factors
Age over 50
Family history of colon or rectal cancer
Long-term inflammatory bowel disease (ulcerative colitis or Crohn's)
A diet high in fat and low in fiber
Smoking or heavy alcohol use
Lack of regular physical activity
Signs and Symptoms
Blood in the stool or dark, tarry stools
Thin, narrow stools
Ongoing abdominal pain, gas, or cramps
A feeling that the bowel doesn't empty completely
Unexplained weight loss or persistent fatigue
How Dr. Nghia Nguyen Diagnoses This Condition?
Dr. Nguyen uses a step-by-step approach:
Rectal Examination
He performs a digital rectal exam to feel for lumps or irregularities in the rectum.
Colonoscopy & Biopsy
He inspects the entire colon and rectum, removes suspicious polyps, and sends tissue samples for pathology.
Imaging Studies
CT Scan evaluates tumor size and checks for spread to lymph nodes or nearby organs.
MRI of the pelvis provides high-resolution images to assess local invasion and surgical planning.
Laboratory Tests
Blood work includes carcinoembryonic antigen (CEA) levels to help stage the cancer and monitor treatment response.
Treatment
Our Team offers a full range of care for rectal cancer.
1. Lifestyle and Diet Modifications
Increase fiber intake with fruits, vegetables, and whole grains
Reduce consumption of red and processed meats
Engage in regular physical activity, at least 30 minutes daily
Stop smoking and limit alcohol use
2. Medications
Chemotherapy regimens to halt tumor growth
Targeted therapies tailored to specific genetic markers
Immunotherapy options to enhance the body's cancer-fighting response
3. Minimally Invasive or Advanced Procedures
Laparoscopic or robotic-assisted surgery for precise tumor removal
Endoscopic mucosal resection for early-stage lesions
Radiation therapy, pre- or post-operative, to shrink tumors and lower recurrence risk
Dr. Nghia Nguyen, DO, is a board-certified gastroenterologist providing advanced digestive care in the Greater Houston area. He earned his medical degree from the Texas College of Osteopathic Medicine and completed both his Internal Medicine residency and Gastroenterology fellowship at the University of Texas at Rio Grande Valley. Dr. Nguyen specializes in treating conditions such as acid reflux, irritable bowel syndrome (IBS), inflammatory bowel disease (IBD), and liver disorders.
Frequently Asked Questions
What is the survival rate for rectal cancer?
If caught early, the five-year survival rate can be as high as 90%. For more advanced stages, outcomes depend on your overall health and how the cancer responds to treatment.
How common is rectal cancer in Houston?
Rates in Houston mirror national trends. Most cases occur in people over 50, but younger adults can be affected as well.
What does stage 4 mean for rectal cancer?
Stage 4 indicates the cancer has spread (metastasized) to other organs. While it's more advanced, treatments can still help manage symptoms and improve quality of life.
What is the ICD-10 code for rectal cancer?
The ICD-10 code for rectal cancer is C20. This code is used for accurate medical records and insurance purposes.
When should I get a colonoscopy?
Most people should begin screening between ages 45 and 50. If you have risk factors—like a family history of colorectal cancer—you may need to start earlier.
Are minimally invasive surgeries effective?
Yes. Laparoscopic and robotic approaches often lead to less pain, smaller scars, and faster recovery compared to traditional open surgery.
Where can I learn more about rectal cancer?
For comprehensive information, visit the American Cancer Society at https://www.cancer.org/cancer/rectal-cancer.html.
